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A 2.9kg block slides with a speed of 1.6m/s on a frictionlesshorizontal surface until it encounters a spring. a.) If the blockcompresses the spring 4.8cm before coming to rest, what is theforce constant of the spring? b.) What initial speed should theblock have to compress the spring by 1.2cm?
a laser beam passes through a converging lens with a focal length of 19 cm at what distance past the lens has the laser
A bomb is designed to explode 2.00 s after it is armed. The bomb is launched from earth and accelerated to an unknown final speed. What is the final speed of the bomb just before it explodes
Two point charges, +3.09 µC and -6.05 µC, are separated by 1.33 m. What is the electric potential midway between them?
If a plaintiff voluntarily enters into or participates into a risk activity that results in injury, illustrate what is the most likely defence that he or she may use to a defendant's claim that the plaintiff supposed the risk?
Two concentric spheres of radii a and b> a have equal and oppposite charge Q when the potential diffrence between them is V. What is the capacitance of the spheres
A 2.90 m long, 320 kg steel beam extends horizontally from the point where it has been bolted to the framework of the new building under construction. A 66 kg construction worker stands at the far end of the beam.
The energy momentum relationship for the conduction band of a 3D semiconductor is: E= (h bar)^2/2m*[k(x)^2/2+k(y)^2+k(z)^2]
A fisherman fishing from its highest to its lowest point. What is the speed of the waves going past the pier
Two very small spheres, each with a mass m = 1.5 g, are suspended from a common axis by insulating threads of length L= 6.0 cm, What is the magnitude of the unknown charge q
A 1500 kg minicar is pulled with a force of 11kN at angle of 30 degrees from the horizontal. what is the average acceleration of the car
measuring the speed of light michelson in 1926 albert michelson measured the speed of light with a technique similar to
A commuter train blows its horn as it passes a passenger platform at a constant speed of 60.0 m/s. What is the frequency observed by a person on the platform as the train approaches
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